Title:
An Analysis of Historic Flows in the Satilla River Using Two Statistical Methods
An Analysis of Historic Flows in the Satilla River Using Two Statistical Methods
| dc.contributor.author | Elkins, Duncan | |
| dc.contributor.corporatename | University of Georgia. Institute of Ecology | |
| dc.contributor.editor | Hatcher, Kathryn J. | |
| dc.date.accessioned | 2012-07-23T17:12:27Z | |
| dc.date.available | 2012-07-23T17:12:27Z | |
| dc.date.issued | 2001-03 | |
| dc.description | Proceedings of the 2001 Georgia Water Resources Conference, April 26 and 27, 2001, Athens, Georgia. | en_US |
| dc.description.abstract | As development proceeds in the Coastal Plain, increased interest has been directed toward the flow of fresh water into coastal ecosystems. As part of a larger effort investigating changes that may have taken place in three Georgia Estuaries, a historic analysis of freshwater flows into the estuary of the Satilla River was conducted. The annual mean flow on the Satilla River at Atkinson for the period of record (1931-1998) shows a slight trend upward (p= 0.1.) A further analysis of the historic flows on the Satilla River measured at the USGS station at Atkinson was performed using two different methods that used higher resolution datasets to identify more subtle changes in the hydrograph. The first analysis was performed using the Indicators of Hydrologic Alteration (IHA) trend-analysis method, developed by Richter, et al, 1996, for The Nature Conservancy. This method generates 34 metrics of alteration using daily-flow data, and significant changes were observed in maximum and minimum flows during the winter months. A second analysis was performed using a hydrologic yield calculation modeled after the method of Chagnon, et al, 1996, and Moglen and Beighley, submitted, have used to asses the impacts of urbanization of runoff characteristics for a basin. The hydrographic yield (a ratio of runoff to precipitation) after typical storm events was calculated for storms between 1948 and 1998. The ordered set of these values was then analyzed on a seasonal basis and, again, the most striking results were observed for winter storms. While the range of yield values for storms in spring, summer, and fall was reasonably consistent, there is a marked increase in the variability of yield values for winter storms. As hydrographic yield is strongly influenced by land use, this pattern suggests that seasonally changing land uses (or land uses in which the land cover changes on a seasonal basis) may significantly be affecting runoff patterns in the Satilla basin. | en_US |
| dc.description.sponsorship | Sponsored and Organized by: U.S. Geological Survey, Georgia Department of Natural Resources, Natural Resources Conservation Service, The University of Georgia, Georgia State University, Georgia Institute of Technology | en_US |
| dc.description.statementofresponsibility | This book was published by the Institute of Ecology, The University of Georgia, Athens, Georgia 30602-2202. The views and statements advanced in this publication are solely those of the authors and do not represent official views or policies of The University of Georgia, the U.S. Geological Survey, the Georgia Water Research Institute as authorized by the Water Resources Research Act of 1990 (P.L. 101-397) or the other conference sponsors. | |
| dc.identifier.isbn | 0-935835-07-5 | |
| dc.identifier.uri | http://hdl.handle.net/1853/44457 | |
| dc.language.iso | en_US | en_US |
| dc.publisher | Georgia Institute of Technology | en_US |
| dc.publisher.original | Institute of Ecology | |
| dc.relation.ispartofseries | GWRI2001. Groundwater and Coastal Issues | en_US |
| dc.subject | Water resources management | en_US |
| dc.subject | Coastal plains | en_US |
| dc.subject | River basin management | en_US |
| dc.subject | Water supply | en_US |
| dc.subject | Groundwater | en_US |
| dc.subject | Watersheds | en_US |
| dc.subject | Watershed assessment | en_US |
| dc.title | An Analysis of Historic Flows in the Satilla River Using Two Statistical Methods | en_US |
| dc.type | Text | |
| dc.type.genre | Proceedings | |
| dspace.entity.type | Publication | |
| local.contributor.corporatename | Georgia Water Resources Institute | |
| local.contributor.corporatename | School of Civil and Environmental Engineering | |
| local.contributor.corporatename | College of Engineering | |
| local.relation.ispartofseries | Georgia Water Resources Conference | |
| relation.isOrgUnitOfPublication | 8873b408-9aff-48cc-ae3c-a3d1daf89a98 | |
| relation.isOrgUnitOfPublication | 88639fad-d3ae-4867-9e7a-7c9e6d2ecc7c | |
| relation.isOrgUnitOfPublication | 7c022d60-21d5-497c-b552-95e489a06569 | |
| relation.isSeriesOfPublication | e0bfffc9-c85a-4095-b626-c25ee130a2f3 |